59
Connector J9 contains 120V AC control connector for
factory only wiring
Pin 1 - (N1) this is the neutral or return path for the detection of 120V AC by the input pins. It would be
connected to the neutral side of the 120V AC supply.
Pin 2 - (AR1) input, this pin can detect the presence of 120V AC.
Pin 3 - (GAS) output, this pin can source 120V AC.
Pin 4 - (KTS) input, this pin can detect the presence of 120V AC.
Pin 5 - (KS) output, this pin can source 120V AC.
Pin 6 - (ST) output, this pin can source 120V AC.
Pin 7 - (PCU) input, this pin can detect the presence of 120V AC.
Pin 8 - (H1) this is the 120V AC 50/60Hz input to the board, it feeds through an on-board 10 Amp Slow-
Blow fuse and is used to source 120V AC to all the pins described as 120V AC outputs. The total current
draw of all the 120V AC outputs must not exceed 10 Amps.
Connector J10 contains low voltage
field wiring connections
Pin 1 through pin 16 - thermistor probe inputs. 10k type B thermistors are connected to these inputs.
Pin 17, 19, 21, 23, 25, and 27 - sources 24V DC which is current limited through an on-board 200 mA
PTC Poly-Fuse. This is the high side of the pulse with modulated outputs, and low voltage inputs listed
below.
Pin 18, 20, 22, and 24 - Open collector PWM outputs, 100 mA max each. Suitable for driving the
optoisolated PWM speed control inputs of EC motors.
Pin 26, 28 - low voltage inputs, suitable for detecting dry contact closures with pins 25, 27 above.
Pin 29 - 0-10V DC output, 5 mA max, suitable for driving instrumentation inputs.
Pin 30 - negative, common or ground side of the above 0-10V DC output.
Pin 31 - 0-10V DC input, 10k Ohm impedance to ground or common.
Pin 32 - negative, common or ground side of the above 0-10V DC output.
Connector J11 factory programming only, Zilog ZDI
micro-controller debug/programming interface
Pin 1 - 3.3V DC
Pin 2 - reset
Pin 3 - Gnd
Pin 4 - DBG input
Pin 5 - Gnd
Pin 6 - NC
J9
8
H1
PCU
ST
KS
KTS
GAS
R1
N1
J10
VI-
VI+
VO-
VO+
IL2B
IL2A
IL1B
IL1A
P4B
P4A
P3B
P3A
P2B
P2A
P1B
P1A
T8B
T8A
T7B
T7A
T7B
T7A
T5B
T5A
T4B
T4A
T3B
T3A
T2B
T2A
T1B
T1A
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